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7/13/2025, 12:37:47 PM
>But 71% of their ancestry was found to come from a third ancient population with East Asian origins that arrived at roughly 300 AD to launch what is called the Kofun period, bringing various cultural advances and developing centralized leadership. These migrants appear to have had ancestry mainly resembling the Han people who make up most of China's population.
>"We are very excited about our findings on the tripartite structure of Japanese populations. This finding is significant in terms of rewriting the origins of modern Japanese by taking advantage of the power of ancient genomics," said geneticist Shigeki Nakagome of Trinity College Dublin in Ireland, co-leader of the study published in the journal Science Advances.
>The research demonstrates the ability of ancient DNA to uncover new ancestral components that could not be seen using modern genetic data, added study co-leader Daniel Bradley, also of Trinity College Dublin.
>The study showed that people from Japan's ancient foraging, agrarian and state-formation cultural phases each provided a significant contribution to the ancestry of today's Japanese population, Nakagome said.
>The oldest of the skeletons from which DNA was extracted was a female dating to around 9,000 years ago from a Jomon period site in Ehime Prefecture, while the most recent were three skeletons from about 1,500 years ago from a Kofun period site in Ishikawa Prefecture, according to geneticist and study co-leader Takashi Gakuhari of Kanazawa University in Japan.
>"We are very excited about our findings on the tripartite structure of Japanese populations. This finding is significant in terms of rewriting the origins of modern Japanese by taking advantage of the power of ancient genomics," said geneticist Shigeki Nakagome of Trinity College Dublin in Ireland, co-leader of the study published in the journal Science Advances.
>The research demonstrates the ability of ancient DNA to uncover new ancestral components that could not be seen using modern genetic data, added study co-leader Daniel Bradley, also of Trinity College Dublin.
>The study showed that people from Japan's ancient foraging, agrarian and state-formation cultural phases each provided a significant contribution to the ancestry of today's Japanese population, Nakagome said.
>The oldest of the skeletons from which DNA was extracted was a female dating to around 9,000 years ago from a Jomon period site in Ehime Prefecture, while the most recent were three skeletons from about 1,500 years ago from a Kofun period site in Ishikawa Prefecture, according to geneticist and study co-leader Takashi Gakuhari of Kanazawa University in Japan.
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